Latest blog posts
Susan Collins
2025 February 27

The GEM program - Year Two 2024

We began our Global Equitable Membership (GEM) Program to provide greater membership equitability and accessibility to organizations in the world’s least economically advantaged countries. Eligibility for the program is based on a member’s country; our list of countries is predominantly based on the International Development Association (IDA). Eligible members pay no membership or content registration fees. The list undergoes periodic reviews, as countries may be added or removed over time as economic situations change.

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Martyn Rittman
2025 January 29

Retraction Watch retractions now in the Crossref API

Retractions and corrections from Retraction Watch are now available in Crossref’s REST API. Back in September 2023, we announced the acquisition of the Retraction Watch database with an ongoing shared service. Since then, they have sent us regular updates, which are publicly available as a csv file. Our aim has always been to better integrate these retractions with our existing metadata, and today we’ve met that goal. This is the first time we have supplemented our metadata with a third-party data source.

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Ed Pentz
2025 January 28

POSI 2.0 feedback

As a provider of foundational open scholarly infrastructure, Crossref is an adopter of the Principles of Open Scholarly Infrastructure (POSI). In December 2024 we posted our updated POSI self-assessment. POSI provides an invaluable framework for transparency, accountability, susatinability and community alignment. There are 21 other POSI adopters. Together, we are now undertaking a public consultation on proposed revisions for a version 2.0 release of the principles, which would update the current version 1.

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Dominika Tkaczyk
2025 January 08

Metadata matching: beyond correctness

https://doi.org/10.13003/axeer1ee In our previous entry, we explained that thorough evaluation is key to understanding a matching strategy’s performance. While evaluation is what allows us to assess the correctness of matching, choosing the best matching strategy is, unfortunately, not as simple as selecting the one that yields the best matches. Instead, these decisions usually depend on weighing multiple factors based on your particular circumstances. This is true not only for metadata matching, but for many technical choices that require navigating trade-offs.

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Arley Soto

Arley Soto

Technical Specialist

Biography

Arley Soto joined the support team in 2025. He has worked with metadata since he was studying librarianship at University, he has been involved with Crossref as sponsor, then as technical support contractor for three years and also was a Crossref Latin America Ambassador since 2018. He enjoyed mountaineering, hiking, biking and spending time outdoors.

ORCID iD

0000-0002-5878-2602

Arley Soto's Latest Blog Posts

Flies in your metadata (ointment)

Isaac Farley, Monday, Jul 25, 2022

In MetadataContent RegistrationResearch Nexus

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Quality metadata is foundational to the research nexus and all Crossref services. When inaccuracies creep in, these create problems that get compounded down the line. No wonder that reports of metadata errors from authors, members, and other metadata users are some of the most common messages we receive into the technical support team (we encourage you to continue to report these metadata errors). We make members’ metadata openly available via our APIs, which means people and machines can incorporate it into their research tools and services - thus, we all want it to be accurate.

A Journey of a Crossref Ambassador in Latin America

Arley Soto, Wednesday, Dec 11, 2019

In MembersMember BriefingCommunity

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English version –– InformaciĂłn en español In this post, Arley Soto shares some experiences about his work as a Crossref ambassador in Latin America. When I joined as a volunteer Crossref ambassador in 2018, I never imagined that in less than two years, I would have the opportunity to travel to three Latin American cities, visit Toronto, organize the first Crossref LIVE in Spanish and hold webinars in Spanish about Crossref’s services.

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